This trial is conducted in Asia. The aim of this clinical trial is to compare NN5401 (insulin degludec/insulin aspart (IDegAsp)) with biphasic insulin aspart (BIAsp) 30 in patients with type 2 diabetes not optimally controlled on once or twice daily insulin with or without metformin.

Subject on basal human or analogue insulin, once daily (OD) or twice daily (BID) with or without metformin for at least 3 months or subject on premixed human or analogue insulin or self-mixed insulin regimen, containing 20-40% fast/rapid-acting component, OD or BID, with or without metformin, for at least 3 months

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study.
To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below.
For general information, see Learn About Clinical Studies.

Please refer to this study by its ClinicalTrials.gov identifier: NCT01059812